信息的数字描述

卫星通信专业英语DigitalRepresentationofinformationwordsdigital

adj.数字的，数码的；数字显示的analog

n.模拟adj.模拟的digitalsignalanalogsignalwords

n.

表示，表现，表述；代表，图像information

n.信息representation

informationtechnology

信息技术SentenceWiththenetworktechnologydevelopment,thedemandofinformationresourcesisradicallychangedfromthetraditionalformstodigitalforms,especiallyonaglobalscale,theriseofdigitallibrary,makingtheinformationresourcesmoreandmoreattentionbythepeople,andsettingoffaglobaldigitalinformationresourcesconstructionboom.Sentence网络技术networktechnologyinformationresourcetraditionalformdigitalform信息资源数字形式传统形式Sentence随着网络技术发展，人们对信息资源的需求也逐渐由传统形式转变为数字化形式，特别是全球范围的数字图书馆建设的兴起，使得信息资源越来越受人们的重视，全球掀起了一场信息资源数字化建设的热潮。Withthenetworktechnologydevelopment,thedemandofinformationresourcesisradicallychangedfromthetraditionalformstodigitalforms,especiallyonaglobalscale,theriseofdigitallibrary,makingtheinformationresourcesmoreandmoreattentionbythepeople,andsettingoffaglobaldigitalinformationresourcesconstructionboom.Sentence数字描述的主要优势就是描述的普遍性。Thekeyadvantageofdigitalrepresentationliesintheuniversality

ofrepresentation.Sentence因为任何一种媒体，不管是文本、图像，还是声音，都可以通过唯一的编码形式变成一串独一无二的比特序列，所以任何形式的信息都可以用相同的方法和相同的设备处理。Sinceanymedium,beitatext,animage,orasound,iscodedinauniqueformwhichultimatelyresultsinasequenceofbits,allkindsofinformationcanbehandledinthesamewayandbythesametypeofequipment.SentenceFurthermore,transformationsofdigitalinformationareerrorfree,whileanalogtransformationsintroducedistortionsandnoise.transformationerrorfreedistortion转换无误失真SentenceFurthermore,transformationsofdigitalinformationareerrorfree,whileanalogtransformationsintroducedistortionsandnois